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Earnings Per Common Share (Tables)
9 Months Ended
Sep. 30, 2021
Earnings Per Share [Abstract]  
Summary Of Computation Of Basic And Diluted Earnings Per Common Share
The following table sets forth the computation of basic and diluted earnings per common share for the three months and nine months ended September 30, 2021 and 2020.
 
Three Months Ended
September 30,
Nine Months Ended
September 30,
(In thousands, except share and per common share data)2021202020212020
Numerator:  
Net income$35,434 $30,846 $117,397 $82,723 
Denominator:  
Weighted-average common shares outstanding16,292,312 16,300,720 16,315,996 16,300,250 
Effect of dilutive PBRSUs and TBRSUs131,600 93,072 129,572 98,100 
Weighted-average common shares outstanding adjusted for the effect of dilutive PBRSUs and TBRSUs16,423,912 16,393,792 16,445,568 16,398,350 
Earnings per common share:  
Basic earnings per common share$2.17 $1.89 $7.20 $5.07 
Diluted earnings per common share$2.16 $1.88 $7.14 $5.04